+
+.PHONY: update-b4-copyright update-package-copyright-year
+update-b4-copyright:
+ find data -type f \
+ | grep -v -E '^data/bison.m4$$' \
+ | xargs $(build_aux)/$@
+ @echo 'warning: src/parse-gram.[hc] may need to be regenerated.'
+update-package-copyright-year:
+ $(build_aux)/$@ configure.ac
+
+gen_start_date = 2012-01-16
+.PHONY: gen-ChangeLog
+gen-ChangeLog:
+ $(AM_V_GEN)if test -d .git; then \
+ $(top_srcdir)/build-aux/gitlog-to-changelog \
+ --no-cluster \
+ --amend=$(srcdir)/build-aux/git-log-fix \
+ --since=$(gen_start_date) > $(distdir)/cl-t; \
+ rm -f $(distdir)/ChangeLog; \
+ mv $(distdir)/cl-t $(distdir)/ChangeLog; \
+ fi